Luminescence properties of Yb3+/Na+ codoped CaF2 crystal and laser operation with low threshold

被引：4

作者：

Chai Lu ^{[1
]}

Yan Shi

Xue Ying-Hong

Liu Qing-Wen

Wang Qing-Yue

Su Lang-Bi

Xu Xiao-Dong

Zhao Guang-Jun

Xu Jun

机构：

[1] Tianjin Univ, Chinese Med Educ, Key Lab Optoelect Informat Tech Sci, Sch Precis Instruments & Optoelect Engn, Tianjin 300072, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

来源：

ACTA PHYSICA SINICA | 2007年 / 56卷 / 06期

关键词：

Yb3+/Na+ codoped CaF2; luminescence spectra; laser threshold;

D O I：

10.7498/aps.56.3553

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Basing on measuring the luminescence spectra at room temperature pumped by 975 nm light, the action mechanism of Na+ in the novel Yb3+, Na+ : CaF2 crystal was systemically investigated. The relation between the concentration of doping Na+ and the laser operation threshold was analyzed. The optimum match concentration for Yb3+, Na+: CaF2 with low laser threshold was btained. In the experiment, the lowest laser operation threshold at only 70 mW of absorbing pumped power for 2% Yb3+ 3% Na+ : CaF2 crystal is realized, which is in good agreement with the analysis of luminescence properties.

引用

页码：3553 / 3558

页数：6

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